From: "Cédric Le Goater" <clg@kaod.org>
To: Bin Meng <bmeng.cn@gmail.com>
Cc: "Bin Meng" <bin.meng@windriver.com>,
"Philippe Mathieu-Daudé" <philmd@redhat.com>,
"qemu-devel@nongnu.org Developers" <qemu-devel@nongnu.org>,
Qemu-block <qemu-block@nongnu.org>
Subject: Re: [PATCH] sd: mmc: Fix SET_BLOCK_COUNT command argument
Date: Wed, 23 Jun 2021 11:16:21 +0200 [thread overview]
Message-ID: <21d43055-5db1-b891-f86f-7555e2718b4d@kaod.org> (raw)
In-Reply-To: <CAEUhbmXNRZLQxsy_AgSg2Lr2TMXw+W2tMyV80q0yBwdTB2ArHw@mail.gmail.com>
On 6/23/21 11:12 AM, Bin Meng wrote:
> On Wed, Jun 23, 2021 at 4:55 PM Cédric Le Goater <clg@kaod.org> wrote:
>>
>> On 6/23/21 10:39 AM, Bin Meng wrote:
>>> On Wed, Jun 23, 2021 at 4:30 PM Cédric Le Goater <clg@kaod.org> wrote:
>>>>
>>>> The number of blocks is defined in the lower bits [15:0]
>>>
>>> I checked the physical spec v8.00 and it says bits [31:0] for CMD23 argument.
>>
>> May be that's an eMMC thing. That's what I read from the specs :
>>
>> [31] Reliable Write Request
>> [30:16] set to 0
>> [15:0] number of blocks
>
> I don't think we ever claimed eMMC support in QEMU. Did we?
Is that a question ?
C.
prev parent reply other threads:[~2021-06-23 9:17 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-23 8:30 [PATCH] sd: mmc: Fix SET_BLOCK_COUNT command argument Cédric Le Goater
2021-06-23 8:39 ` Bin Meng
2021-06-23 8:52 ` Philippe Mathieu-Daudé
2021-06-23 8:57 ` Cédric Le Goater
2021-06-23 9:11 ` Bin Meng
2021-06-23 11:01 ` Philippe Mathieu-Daudé
2021-06-23 8:55 ` Cédric Le Goater
2021-06-23 9:12 ` Bin Meng
2021-06-23 9:16 ` Cédric Le Goater [this message]
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